diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 9bbdd484..c8af1a4b 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -97,7 +97,7 @@ jobs:
           os: ${{ matrix.os }}
 
       - name: 🛞 CIBuildWheel
-        run: pip install cibuildwheel==2.17.0 --break-system-packages
+        run: pip install cibuildwheel==2.21.3 --break-system-packages
 
       - name: 🛠️ Build VTK (Windows)
         if: ${{ matrix.os == 'windows-latest' }}
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 281c88e8..d07ad795 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.20 FATAL_ERROR)
 project(
   ViennaLS
   LANGUAGES CXX
-  VERSION 4.0.0)
+  VERSION 4.0.1)
 
 # --------------------------------------------------------------------------------------------------------
 # Library options
diff --git a/README.md b/README.md
index baaa9e8a..6ed43991 100644
--- a/README.md
+++ b/README.md
@@ -138,7 +138,7 @@ We recommend using [CPM.cmake](https://github.com/cpm-cmake/CPM.cmake) to consum
 
 * Installation with CPM
   ```cmake
-  CPMAddPackage("gh:viennatools/viennals@4.0.0")
+  CPMAddPackage("gh:viennatools/viennals@4.0.1")
   ```
 
 * With a local installation
diff --git a/pyproject.toml b/pyproject.toml
index d78eaf3c..a3c7f5c1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ requires = ["scikit-build-core", "pybind11"]
 build-backend = "scikit_build_core.build"
 
 [project]
-version = "4.0.0"
+version = "4.0.1"
 name = "ViennaLS"
 readme = "README.md"
 license = {file = "LICENSE"}